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There are many ways to depilate, such as wax paper depilation, depilation cream depilation, laser depilation, etc., but do you really understand laser depilation? Is laser hair removal harmful to human body? Next, Xiaobian will introduce relevant knowledge to you.
Principle of laser hair removal
Laser hair removal is based on the principle of selective photothermal dynamics. By reasonably adjusting the laser wavelength and energy pulse width, the laser passes through the skin surface to the hair follicle at the root, which is transformed into heat energy that destroys the hair follicle tissue and makes the hair lose the regeneration ability. After several times of laser hair removal, the really smooth and delicate skin can be restored to achieve the effect of permanent hair removal.
Can laser depilation be permanent at one time?
A laser hair removal treatment can not achieve the effect of permanent hair removal, because the growth of hair is periodic. The hair growth cycle is divided into three stages: 1. Growth period; 2. Degenerative period; 3. Quiescent period. If the laser acts on the hair in the growth period, a better therapeutic effect can be achieved at one time, but it does not work on the hair in the degenerative and quiescent periods. Therefore, it is better to wait for the hair to change into the growth period before laser hair removal treatment. Generally, permanent hair removal can be achieved after 4-5 times of treatment.
Will laser hair removal affect perspiration?
Because laser hair removal only acts on hair follicles with melanin cell particles and does not act on sweat glands without melanin particles, it does not affect the perspiration function.
Is laser hair removal safe?
Laser hair removal treatment process is simple and fast. It has countless successful treatment experience and obtained FDA certification. After treatment, the skin does not scab, infection and side effects. It is a relatively safe depilation method. Laser is different from X-ray, and only acts on the hair follicles on the surface of the skin. It has no damage to other organs of the body, so it will not affect the health of the body.
Laser hair removal will not damage the skin. The skin just treated will be red and swollen. These are normal phenomena, indicating that the treatment has begun to prevent hair growth. After a few hours of treatment, the redness and swelling subsided and the skin returned to normal.
No other hair removal methods can be used within 6 weeks before laser hair removal. After laser hair removal, the skin will be a little red and swollen, which is a normal reaction. Applying it with a cold towel can effectively alleviate it. After laser hair removal, you must pay attention to sunscreen. You can apply some sunscreen appropriately, otherwise local pigmentation will form color spots. Do not take a hot bath on the first day after laser hair removal. Do not use maintenance products containing glycolic acid and retinoic acid or exfoliate within 1 week.
There will be pain when doing laser hair removal, but it belongs to the tolerable range. It is suggested that beauty seekers with hair removal needs must choose formal and professional medical and beauty institutions, select authoritative and experienced experts, and use professional equipment to ensure the effect of laser hair removal.